Security readout for executives and security teams
Plain-English summary
CVE-2016-1239 affects Debian's duck package before version 0.10. The issue is that duck could load untrusted code from the current working directory. In practical terms, exposure is narrow but potentially serious where duck is run from directories writable or influenced by another user.
Executive priority
Treat this as targeted hygiene, not an emergency, unless duck is used in shared automation or privileged operational workflows. Prioritize inventory and upgrade where the package exists.
Technical view
The CVE describes improper handling of untrusted code loading from the current directory in duck versions before 0.10. The source bundle does not provide CVSS, CWE, or detailed impact. The referenced Debian commit is the only concrete remediation evidence provided.
Likely exposure
Likely limited to systems with Debian duck installed below version 0.10. Higher-risk cases are shared build, packaging, CI, or administrative environments where duck may be launched from untrusted or writable directories.
Exploitation context
No CISA KEV listing or active exploitation evidence is provided in the bundle. The plausible abuse condition is control over files in duck's current directory, but the sources do not document public exploitation.
Researcher notes
Evidence is sparse: the CVE text only identifies duck before 0.10 and untrusted current-directory code loading. No CVSS, CWE, exploit details, or advisory-level impact statements are included in the supplied sources.
Mitigation direction
- Inventory systems for Debian duck installations below version 0.10.
- Upgrade duck to version 0.10 or later where available.
- Check Debian package guidance for supported fixed builds.
- Avoid running duck from untrusted or shared writable directories.
- Restrict write access to directories used for package validation workflows.
Validation and detection
- Confirm installed duck package versions on relevant Debian systems.
- Review CI, build, and admin workflows that invoke duck.
- Check whether duck runs from user-writable working directories.
- Verify vendor packages include the referenced Debian fix.
- Document remaining legacy hosts that cannot be updated.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CVE-2016-1239 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://salsa.debian.org/debian/duck/-/commit/b43b5bbf07973c54b8f1c581a941f4facc97177aCVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.